4318631 has 4 divisors (see below), whose sum is σ = 4329600. Its totient is φ = 4307664.

The previous prime is 4318621. The next prime is 4318637. The reversal of 4318631 is 1368134.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4318631 - 2¹⁴ = 4302247 is a prime.

It is a super-2 number, since 2×4318631² = 37301147428322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4318631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4318637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4871 + ... + 5688.

It is an arithmetic number, because the mean of its divisors is an integer number (1082400).

Almost surely, 2^4318631 is an apocalyptic number.

4318631 is a deficient number, since it is larger than the sum of its proper divisors (10969).

4318631 is a wasteful number, since it uses less digits than its factorization.

4318631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10968.

The product of its digits is 1728, while the sum is 26.

The square root of 4318631 is about 2078.1316127714. The cubic root of 4318631 is about 162.8478512998.

The spelling of 4318631 in words is "four million, three hundred eighteen thousand, six hundred thirty-one".